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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "core/dom/custom/V0CustomElementMicrotaskDispatcher.h" | 5 #include "core/dom/custom/V0CustomElementMicrotaskDispatcher.h" |
| 6 | 6 |
| 7 #include "bindings/core/v8/Microtask.h" | 7 #include "bindings/core/v8/Microtask.h" |
| 8 #include "core/dom/custom/V0CustomElementCallbackQueue.h" | 8 #include "core/dom/custom/V0CustomElementCallbackQueue.h" |
| 9 #include "core/dom/custom/V0CustomElementMicrotaskImportStep.h" | 9 #include "core/dom/custom/V0CustomElementMicrotaskImportStep.h" |
| 10 #include "core/dom/custom/V0CustomElementProcessingStack.h" | 10 #include "core/dom/custom/V0CustomElementProcessingStack.h" |
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| 51 void V0CustomElementMicrotaskDispatcher::doDispatch() { | 51 void V0CustomElementMicrotaskDispatcher::doDispatch() { |
| 52 DCHECK(isMainThread()); | 52 DCHECK(isMainThread()); |
| 53 | 53 |
| 54 DCHECK(m_phase == Quiescent); | 54 DCHECK(m_phase == Quiescent); |
| 55 DCHECK(m_hasScheduledMicrotask); | 55 DCHECK(m_hasScheduledMicrotask); |
| 56 m_hasScheduledMicrotask = false; | 56 m_hasScheduledMicrotask = false; |
| 57 | 57 |
| 58 // Finishing microtask work deletes all | 58 // Finishing microtask work deletes all |
| 59 // V0CustomElementCallbackQueues. Being in a callback delivery scope | 59 // V0CustomElementCallbackQueues. Being in a callback delivery scope |
| 60 // implies those queues could still be in use. | 60 // implies those queues could still be in use. |
| 61 ASSERT_WITH_SECURITY_IMPLICATION( | 61 SECURITY_DCHECK(!V0CustomElementProcessingStack::inCallbackDeliveryScope()); |
| 62 !V0CustomElementProcessingStack::inCallbackDeliveryScope()); | |
| 63 | 62 |
| 64 m_phase = Resolving; | 63 m_phase = Resolving; |
| 65 | 64 |
| 66 m_phase = DispatchingCallbacks; | 65 m_phase = DispatchingCallbacks; |
| 67 for (const auto& element : m_elements) { | 66 for (const auto& element : m_elements) { |
| 68 // Created callback may enqueue an attached callback. | 67 // Created callback may enqueue an attached callback. |
| 69 V0CustomElementProcessingStack::CallbackDeliveryScope scope; | 68 V0CustomElementProcessingStack::CallbackDeliveryScope scope; |
| 70 element->processInElementQueue(kMicrotaskQueueId); | 69 element->processInElementQueue(kMicrotaskQueueId); |
| 71 } | 70 } |
| 72 | 71 |
| 73 m_elements.clear(); | 72 m_elements.clear(); |
| 74 V0CustomElementScheduler::microtaskDispatcherDidFinish(); | 73 V0CustomElementScheduler::microtaskDispatcherDidFinish(); |
| 75 m_phase = Quiescent; | 74 m_phase = Quiescent; |
| 76 } | 75 } |
| 77 | 76 |
| 78 DEFINE_TRACE(V0CustomElementMicrotaskDispatcher) { | 77 DEFINE_TRACE(V0CustomElementMicrotaskDispatcher) { |
| 79 visitor->trace(m_elements); | 78 visitor->trace(m_elements); |
| 80 } | 79 } |
| 81 | 80 |
| 82 } // namespace blink | 81 } // namespace blink |
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